| Heckmann Island | |
| Map: | Antarctica |
| Location: | Antarctica |
| Coordinates: | -67.3333°N 64°W |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Heckmann Island is the largest island in the eastern part of the Thorfinn Islands, lying 7nmi north of Byrd Head, Mac. Robertson Land, Antarctica. It was mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936–37. It was remapped by the Australian National Antarctic Research Expeditions and named by the Antarctic Names Committee of Australia for B. Heckmann, chief officer on the Nella Dan in 1965.